If spun fast enough, a CD will begin to warp, until eventually the overwhelming centrifugal force causes it to explode violently. Not surprisingly, this phenomenon looks really cool in slow motion. The Slow Mo Guys, who are taking over YouTube one awesome slow motion video at a time, recently captured an exploding CD at a whopping 170,000fps with the Phantom V2511:
Here's the trailer for their channel if you haven't seen their work before:
While these kinds of high speed cameras aren't as useful for everyday filmmaking and are really designed for scientific use, it's hard to argue with the fact that they help us see the world in a way that would otherwise be impossible.
Source: The Slow Mo Guys